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  1. Tardigrade
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  4. A crystalline solid of a pure substance has a face-centred cubic structure with a cell edge of 400 pm, if the density of the substance in the crystal is 8 g cm- 3 , then the number of atoms present in 256 g of the crystal is N× 1024 . The value of N is

Q. A crystalline solid of a pure substance has a face-centred cubic structure with a cell edge of 400 pm, if the density of the substance in the crystal is 8 g , then the number of atoms present in 256 g of the crystal is . The value of N is

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Solution:



On solving
Now, g contains atoms
As g

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